*{margin:0;padding:0;box-sizing:border-box;font-family:"Microsoft YaHei",sans-serif}
        body{background:#f5f7fa;color:#333;line-height:1.7;padding-bottom:70px}
        .container{max-width:1000px;margin:0 auto;padding:15px}
        .header{background:#fff;border-radius:14px;padding:22px;text-align:center;margin-bottom:20px;box-shadow:0 3px 12px rgba(0,0,0,0.06)}
        .logo{font-size:28px;font-weight:700;color:#ff3838}
        .tips{margin-top:8px;color:#666;font-size:14px}
        .notice{background:#fff2f2;color:#ff3838;padding:10px;border-radius:8px;margin-bottom:15px;overflow:hidden;white-space:nowrap}
        .notice span{animation:scroll 12s linear infinite}
        @keyframes scroll{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}
        .download-box{background:linear-gradient(135deg,#ff3838,#ff5c5c);color:#fff;border-radius:18px;padding:35px 20px;text-align:center;margin-bottom:25px}
        .download-title{font-size:24px;font-weight:bold;margin-bottom:20px}
        .qrcode{width:170px;height:170px;margin:0 auto;border-radius:10px;overflow:hidden;background:#fff;padding:5px}
        .qrcode img{width:100%;height:100%;object-fit:cover}
        .down-text{margin:12px 0 18px;font-size:15px}
        .btn{display:inline-block;background:#fff;color:#ff3838;padding:15px 36px;border-radius:50px;font-size:17px;font-weight:bold;margin:0 8px 8px;text-decoration:none;box-shadow:0 4px 10px rgba(0,0,0,0.1)}
        .section{background:#fff;border-radius:14px;padding:28px;margin-bottom:20px;box-shadow:0 2px 8px rgba(0,0,0,0.04)}
        .section h2{font-size:22px;color:#ff3838;margin-bottom:18px;border-left:4px solid #ff3838;padding-left:10px}
        .section img{max-width:100%;border-radius:10px;margin:10px 0 15px;box-shadow:0 2px 8px rgba(0,0,0,0.08)}
        .advantage{display:flex;flex-wrap:wrap;gap:15px}
        .item{flex:1;min-width:240px;background:#fafafa;padding:20px;border-radius:10px;text-align:center}
        .item h3{margin-bottom:8px;font-size:16px}
        .task-list{display:flex;flex-wrap:wrap;gap:12px}
        .task{flex:1;min-width:270px;background:#fef8f8;padding:18px;border-left:4px solid #ff3838;border-radius:8px}
        .faq .q{font-weight:bold;margin:14px 0 6px;color:#222}
        .footer{text-align:center;padding:30px;background:#fff;border-top:1px solid #eee;margin-top:40px;font-size:13px;color:#555}
        .footer a{color:#666;margin:0 8px;text-decoration:none}
        .fixed-down{position:fixed;bottom:0;left:0;right:0;background:#ff3838;color:#fff;text-align:center;padding:14px;font-size:17px;font-weight:bold;z-index:999}